Home / 7,176.10-10,757.67-6,398.50

Finding the Fourth Proportional to 7,176.10, 10,757.67 and 6,398.50

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Solution

The fourth proportional to 7,176.10, 10,757.67 and 6,398.50 is: 9,591.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176.10 : 10,757.67 = 6,398.50 : x
  2. Step 2: Convert to fraction form
    7,176.10/10,757.67 = 6,398.50/x
  3. Step 3: Cross multiply
    7,176.10x = 10,757.67 × 6,398.50
  4. Step 4: Simplify right side
    7,176.10x = 68,832,951.50
  5. Step 5: Solve for x
    x = 68,832,951.50/7,176.10
  6. Step 6: Final answer
    x = 9,591.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.